Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ (8,000)	$ (1,000)	$ (236,000)	$ 6,851,000
Federal tax expense (benefit)	(32,000)	0	(221,000)	6,210,000
State tax expense (benefit)	24,000	$ (1,000)	(15,000)	$ 641,000
Deferred income tax valuation allowance	10,206,000		10,206,000
Net deferred tax assets	0		0
Net operating loss carry-forward	$ 11,100,000		$ 11,100,000
Net operating loss carryforward expiration year			2024